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- Q7623899 subject Q7139566.
- Q7623899 subject Q7153785.
- Q7623899 subject Q8614236.
- Q7623899 subject Q8760330.
- Q7623899 abstract "In condensed matter physics, a string-net is an extended object whose collective behavior has been proposed as a physical mechanism for topological order by Michael A. Levin and Xiao-Gang Wen. A particular string-net model may involve only closed loops; or networks of oriented, labeled strings obeying branching rules given by some gauge group; or still more general networks.Their model purports to show the derivation of photons, electrons, and U(1) gauge charge, small (relative to the planck mass) but nonzero masses, and suggestions that the leptons, quarks, and gluons, can be modeled in the same way. In other words, string-net condensation provides an unification of photon and electron (or gauge bosons and fermions). It can be viewed as an origin of light and electron (or gauge interactions and Fermi statistics).However, their model does not account for the chiral coupling between the fermions and the SU(2) gauge bosons in the standard model.For strings labeled by the positive integers, string-nets are the spin networks studied in loop quantum gravity. This has led to the proposal by Levin and Wen, and Smolin, Markopoulou and Konopka that loop quantum gravity's spin networks can give rise to the standard model of particle physics through this mechanism, along with fermi statistics and gauge interactions. To date, a rigorous derivation from LQG's spin networks to Levin and Wen's spin lattice has yet to be done, but the project to do so is called "quantum graphity", and in a more recent paper, Tomasz Konopka, Fotini Markopoulou, Simone Severini argued that there are some similarities to spin networks (but not necessarily an exact equivalence) that gives rise to U(1) gauge charge and electrons in the string net mechanism.Herbertsmithite may be an example of string-net matter.".
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- Q7623899 wikiPageWikiLink Q7139566.
- Q7623899 wikiPageWikiLink Q7153785.
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- Q7623899 wikiPageWikiLink Q8614236.
- Q7623899 wikiPageWikiLink Q8760330.
- Q7623899 wikiPageWikiLink Q9128.
- Q7623899 comment "In condensed matter physics, a string-net is an extended object whose collective behavior has been proposed as a physical mechanism for topological order by Michael A. Levin and Xiao-Gang Wen.".
- Q7623899 label "String-net liquid".